/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterDefinitions.h
Helper structs to map between external parameter libraries and a set of their script variables to local script variables.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FScriptVarBindingNameSubscription
FGuid
ExternalScriptVarId
TArray<FGuid>
InternalScriptVarIds